223456469 has 2 divisors, whose sum is σ = 223456470. Its totient is φ = 223456468.

The previous prime is 223456459. The next prime is 223456489. The reversal of 223456469 is 964654322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183602500 + 39853969 = 13550^2 + 6313^2 .

It is a cyclic number.

It is not a de Polignac number, because 223456469 - 2²⁰ = 222407893 is a prime.

It is a super-2 number, since 2×223456469² = 99865587075895922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223456459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111728234 + 111728235.

It is an arithmetic number, because the mean of its divisors is an integer number (111728235).

Almost surely, 2^223456469 is an apocalyptic number.

It is an amenable number.

223456469 is a deficient number, since it is larger than the sum of its proper divisors (1).

223456469 is an equidigital number, since it uses as much as digits as its factorization.

223456469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The square root of 223456469 is about 14948.4604223980. The cubic root of 223456469 is about 606.8261821745.

The spelling of 223456469 in words is "two hundred twenty-three million, four hundred fifty-six thousand, four hundred sixty-nine".